Indochina, 1955–1975

Vietnam War Map & Timeline: 1955–1975

The Vietnam War had almost no front line. For most of its length it was a war of bases, patrols, ambushes and bombing, fought across three countries at once, in which territory was taken and given up again within days. That is why it is so badly served by conventional war maps — and why the two things that genuinely can be mapped, the supply corridors and the 1975 offensive, matter so much to understanding it.

Sources checked 2026-09-11 · Estimates are given as ranges, not single figures

≈543,000Peak American troop strength in Vietnam, reached in April 1969.
58,220American deaths, from the National Archives’ record-based count.
1.3–3.8mVietnamese deaths, military and civilian. The range depends entirely on the method used.

Where the war was actually fought

The 1954 Geneva agreements drew a provisional military demarcation line at the 17th parallel. It was never a front in the sense that the 38th parallel in Korea was: the fighting inside South Vietnam was an insurgency backed from the north, and the routes that sustained it ran outside the country entirely.

The Ho Chi Minh Trail was a network of roads, paths, fuel lines and depots running south through eastern Laos and into Cambodia, rejoining South Vietnam at points along its whole western border. Its existence is the reason the war expanded: the bombing of Laos from 1964, the incursion into Cambodia in 1970 and the South Vietnamese operation into Laos in 1971 were all attempts to cut it, and none succeeded.

Inside South Vietnam the war had a geography of a different kind — the Mekong Delta’s canals and hamlets, the Central Highlands, the coastal plain, the zone south of the demilitarised line where conventional divisions faced each other. American operations moved through these areas repeatedly without holding them, because holding ground was not the objective; attrition was.

Sources
Lawrence, M. A. (2008), The Vietnam War: A Concise International History. Oxford University PressKarnow, S. (1983), Vietnam: A History. Viking

Timeline of the Vietnam War

The catalogue splits the war into two records: an intra-state war from January 1960 to February 1965, and an inter-state war from February 1965 to the fall of Saigon on 30 April 1975. The split is where American ground forces enter.

  1. 7 May 1954Dien Bien Phu falls

    The French garrison surrenders after a 56-day siege. The Geneva agreements in July divide Vietnam at the 17th parallel pending elections that are never held.

  2. 20 December 1960The National Liberation Front is founded

    The insurgency in the south acquires a formal political structure and northern support.

  3. 2 January 1963Battle of Ap Bac

    A South Vietnamese defeat despite American advisers, helicopters and armour — an early sign that the war is not going as reported.

  4. 1–2 November 1963Ngo Dinh Diem is overthrown and killed

    A succession of unstable governments follows in Saigon.

  5. 2 and 4 August 1964The Gulf of Tonkin incidents

    The first engagement happened; the second, as reported, almost certainly did not. Congress passes the Tonkin Gulf Resolution on 7 August.

  6. 2 March 1965Operation Rolling Thunder begins

    A sustained bombing campaign against North Vietnam that runs until October 1968.

  7. 8 March 1965US Marines land at Da Nang

    The first American ground combat units. Strength passes 180,000 by the end of the year.

  8. 14–18 November 1965Battle of the Ia Drang Valley

    The first large battle between American and North Vietnamese regulars, and the origin of the helicopter-mobile tactics that define the next years.

  9. 30–31 January 1968The Tet Offensive

    Coordinated attacks on more than a hundred towns and cities. Militarily it is defeated with very heavy communist losses; politically it destroys American confidence that the war is being won.

  10. 31 January – 2 March 1968The battle for Hue

    The imperial city is held for 25 days and retaken street by street. Mass graves of civilians killed during the occupation are found afterwards.

  11. 21 January – 8 April 1968The siege of Khe Sanh

    A firebase near the Laotian border is supplied by air for 77 days under continuous shelling.

  12. 16 March 1968My Lai

    American soldiers kill several hundred unarmed civilians. The cover-up unravels in 1969.

  13. April 1969American strength peaks

    About 543,000 troops. Withdrawals under the policy of Vietnamization begin in July.

  14. 29 April – July 1970The Cambodian incursion

    An attempt to destroy base areas across the border; the resulting protests in the United States culminate in the shootings at Kent State.

  15. February – March 1971Operation Lam Son 719

    A South Vietnamese ground offensive into Laos aimed at the Ho Chi Minh Trail is repulsed with heavy losses.

  16. 30 March 1972The Easter Offensive

    North Vietnam attacks conventionally with armour across the demilitarised zone and from Laos and Cambodia. It is stopped, largely by American air power.

  17. 18–29 December 1972Operation Linebacker II

    Eleven days of heavy bombing of the north precedes the resumption of negotiations.

  18. 27 January 1973The Paris Peace Accords

    American forces withdraw by the end of March; the war between north and south continues.

  19. 10 March – 30 April 1975The final offensive

    North Vietnamese forces take Buon Ma Thuot, then the Central Highlands, Hue on 25 March and Da Nang on 30 March. Saigon falls on 30 April 1975.

Sources
Lawrence, M. A. (2008), The Vietnam War: A Concise International History. Oxford University PressKarnow, S. (1983), Vietnam: A History. VikingCorrelates of War — war datasets and codebooks ↗

Vietnam War casualties

Two methods give very different answers here, and neither is obviously wrong. Record-based counts add up identified deaths; retrospective mortality surveys ask surviving families about siblings and scale the results. The surveys give much higher totals, because they capture deaths no record ever documented.

PartyDeathsBasis
United States58,220National Archives count of fatal casualties, of which roughly 47,400 were from hostile action
South Vietnam, military250,000 – 310,000Estimates; South Vietnamese records did not survive the war intact
North Vietnam and NLF, militaryAbout 1.1 millionFigure released by the Vietnamese government in 1995
Vietnamese civiliansAbout 2 millionAlso from the 1995 Vietnamese statement, covering north and south
Vietnamese deaths, all categories1.3 – 3.8 millionThe lower end from record- and census-based work, the upper from a sibling-survey study published in 2008
South Korea, Australia, New Zealand, ThailandAbout 10,000 combinedSouth Korea sent the largest allied contingent after the United States
Laos and CambodiaHundreds of thousandsDeaths from the bombing and from the civil wars the spreading conflict fed, before the far larger killing in Cambodia after 1975

The 1995 Vietnamese figures and the 2008 survey estimate are not independent of each other and should not be added together.

Sources
National Archives (United States) — Vietnam War U.S. military fatal casualty statisticsU.S. Department of Defense, Defense Casualty Analysis System — Korean War and Vietnam War casualty summariesObermeyer, Z., Murray, C. J. L. & Gakidou, E. (2008), "Fifty years of violent war deaths from Vietnam to Bosnia". BMJ 336Hirschman, C., Preston, S. & Vu Manh Loi (1995), "Vietnamese Casualties During the American War: A New Estimate". Population and Development Review 21(4)Lawrence, M. A. (2008), The Vietnam War: A Concise International History. Oxford University Press

Why this war resists mapping

An arrow on a map asserts that a force moved from one place to another and, implicitly, that the movement mattered. For most of this war that assertion would be false. Operations moved into an area, fought, and left; the area was contested again within weeks; and the measure of success reported up the chain was a body count, not a line on a map.

This atlas therefore does not draw campaign movements for Vietnam. The catalogue’s two records give the periods, the participants and the regional coding, which is what the source data actually supports. The three things worth mapping properly — the supply corridors through Laos and Cambodia, the bombing, and the conventional offensives of 1972 and 1975 — need georeferenced historical sources that have not yet been entered here.

Sources
Correlates of War — war datasets and codebooks ↗Lawrence, M. A. (2008), The Vietnam War: A Concise International History. Oxford University Press

Open the atlas at 1968 — Tet, Khe Sanh and the peak of the American war ↗